Home / 857,949.69-1,184,026.64-495,388.83

Finding the Fourth Proportional to 857,949.69, 1,184,026.64 and 495,388.83

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Solution

The fourth proportional to 857,949.69, 1,184,026.64 and 495,388.83 is: 683,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,949.69 : 1,184,026.64 = 495,388.83 : x
  2. Step 2: Convert to fraction form
    857,949.69/1,184,026.64 = 495,388.83/x
  3. Step 3: Cross multiply
    857,949.69x = 1,184,026.64 × 495,388.83
  4. Step 4: Simplify right side
    857,949.69x = 586,553,569,401.49
  5. Step 5: Solve for x
    x = 586,553,569,401.49/857,949.69
  6. Step 6: Final answer
    x = 683,668.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.